9.45-inch heavy mortar (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "9.45-inch heavy mortar" in English language version.

refsWebsite

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low place

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1web.archive.org

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1mortarsinminiature.com

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archive.today

""Handbook of the 9.45-inch trench mortar matériel" United States Ordnance Department. December 1917. page 9". Archived from the original on 7 July 2012. Retrieved 24 March 2021.

cdmhost.com

cgsc.cdmhost.com

"Manual for trench artillery, United States Army (provisional). Part I, Trench Artillery.". Prepared at Headquarters AEF, France, March 1918. page 8
""Handbook of the 9.45-inch trench mortar matériel" United States Ordnance Department. December 1917. page 9". Archived from the original on 7 July 2012. Retrieved 24 March 2021.

mortarsinminiature.com

"'The Flying Pig'". www.mortarsinminiature.com. Archived from the original on 28 September 2007. Retrieved 9 July 2021.

web.archive.org

"'The Flying Pig'". www.mortarsinminiature.com. Archived from the original on 28 September 2007. Retrieved 9 July 2021.